2018 Infiniti Q50: Car Seat Check

By Jennifer Geiger

January 25, 2018

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2018 Infiniti Q50; Cars.com photo by Christian Lantry

CARS.COM — Infiniti refreshed its Q50 luxury sports sedan for 2018, but the changes are subtle. Like the previous model, the Q50 comes with turbocharged four- and six-cylinder engines, and much of the interior also carries over to the 2018 model year. In back, there's ample room for two car seats, but watch out for the middle spot's floor hump, which makes the three-position backseat only hospitable for two passengers.

Grading Scale

A: Plenty of room for the car seat and the child; doesn't impact driver or front-passenger legroom. Easy to find and connect to Latch and tether anchors. No fit issues involving head restraint or seat contouring. Easy access to the third row.

B: Plenty of room. One fit or connection issue. Some problems accessing third row when available.

C: Marginal room. Two fit or connection issues. Difficult to access third row when available.

D: Insufficient room. Two or more fit or connection issues.

F: Does not fit or is unsafe.

About Cars.com's Car Seat Checks

For the Car Seat Check, we use a Graco SnugRide Classic Connect 30 infant-safety seat, a Britax Marathon convertible seat and Graco TurboBooster seat. The front seats are adjusted for a 6-foot driver and a shorter passenger. The three child seats are installed in the second row. The booster seat sits behind the driver's seat, and the infant and convertible seats are installed behind the front passenger seat.

We also install the forward-facing convertible in the second row's middle seat with the booster and infant seat in the outboard seats to see if three car seats will fit; a child sitting in the booster seat must be able to reach the seat belt buckle. If there's a third row, we install the booster seat and a forward-facing convertible. Learn more about how we conduct our Car Seat Checks.

Parents should also remember that they can use the Latch system or a seat belt to install a car seat, and that Latch anchors have a weight limit of 65 pounds, including the weight of the child and the weight of the seat itself.

Cars.com's Editorial department is your source for automotive news and reviews. In line with Cars.com's long-standing ethics policy, editors and reviewers don't accept gifts or free trips from automakers. The Editorial department is independent of Cars.com's advertising, sales and sponsored content departments.

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News Editor Jennifer Geiger is a reviewer, car-seat technician and mom of three. She wears a lot of hats, many of them while driving a minivan. Email Jennifer